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Cast Iron Belt Tensioner Bearings


The range of Self-Lube bearing units offer a wide choice of cast iron, pressed steel or synthetic rubber housings fitted with the full range of spherical outside diameter Self-Lube bearing inserts. They will accommodate initial housing misalignment up to 0.030 radians but are not recommended for running misalignment in excess of 0.001 radians.

The general housing types are pillow blocks, flange units, take-up units, cartridge units and hanger units. Choice is very much determined by the requirements of the application, although the aesthetic appearance of the machine design is often an important consideration. Self-Lube units have been designed to meet the needs of both criteria.

The castings are made from high-quality cast iron, and finished on unmachined surfaces with an electrostatic air-drying paint.  Pressed steel housings are made from mild steel strip, and are zinc plated. Rubber housings are moulded in antistatic nitrile rubber.

Housed Bearings - also know as Self Lube units - are used extensively in fabricated machinery as they are easy to fit, maintain and replace. They will cope with initial misalignment , are sealed and pre-greased, have integral shaft locking and simply bolt in to place. Variants include high and low temperature, tapered bore, triple lip seals and flinger seals. 



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